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Drainage Channel for Sports Camera

Active Publication Date: 2017-01-05
GOPRO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text describes an audio capture system with multiple microphones that can select between them to capture audio signals. The system uses a drainage enhancement feature on one of the microphones to improve audio quality in environments where water is present. The system also includes a process for selecting between audio signals from different microphones based on their correlation with each other and the noise levels of the signals. The technical effects of this patent include improved audio quality in water-related activities and more efficient selection between microphones in a camera system with multiple microphones.

Problems solved by technology

In a camera designed to operate both in and out of water, the audio subsystem can be stressed to the point where the resulting signal captured by the microphone is distorted and unnatural.
The transition between the two environments can be particularly challenging due to the impulse of splashing water.

Method used

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  • Drainage Channel for Sports Camera
  • Drainage Channel for Sports Camera
  • Drainage Channel for Sports Camera

Examples

Experimental program
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Effect test

example camera

System Configuration

[0044]FIGS. 6A-6B illustrate perspective views of an example camera 600 in which the audio capture system 100 may be integrated. The camera 600 comprises at least one cross-section having four approximately equal length sides in a two-dimensional plane. Although the cross-section is substantially square, the corners of the cross-section may be rounded in some embodiments (e.g., a rounded square or squircle). The exterior of the square camera 600 includes 6 surfaces (i.e. a front face, a left face, a right face, a back face, a top face, and a bottom face). In the illustrated embodiment, the exterior surfaces substantially conform to a rectangular cuboid, which may have rounded or unrounded corners. In one example embodiment, all camera surfaces may also have a substantially square (or rounded square) profile, making the square camera 600 substantially cubic. In alternate embodiments, only two of the six faces (e.g., the front face 610 and back face 640) have equal...

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PUM

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Abstract

An audio capture system for a sports camera includes at least one “enhanced” microphone and at least one “reference” microphone. The enhanced microphone includes a drainage enhancement feature to enable water to drain from the microphone more quickly than the reference microphone. A microphone selection controller selects between the microphones based on a microphone selection algorithm to enable high quality in conditions where the sports camera transitions in and out of water during activities such as surfing, water skiing, swimming, or other wet environments.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of U.S. Provisional Application No. 62 / 188,450 entitled “Automatic Microphone Selection in a Sports Camera” to Zhinian Jing, et al., filed on Jul. 2, 2015, the contents of which are incorporated by reference herein.BACKGROUND[0002]Technical Field[0003]This disclosure relates to audio capture, and more specifically, to the selecting between multiple available microphones in an audio capture system.[0004]Description of the Related Art[0005]In a camera designed to operate both in and out of water, the audio subsystem can be stressed to the point where the resulting signal captured by the microphone is distorted and unnatural. The transition between the two environments can be particularly challenging due to the impulse of splashing water. During certain activities such as surfing, swimming, or other water sports, transition in and out of water may occur frequently over an extended period of time.BRIEF DESC...

Claims

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Application Information

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IPC IPC(8): H04N5/225H04R29/00H04R3/00G03B17/08
CPCH04R5/04G03B17/08H04R29/004H04R1/44H04R3/005H04R2499/11H04N23/51H04R3/00H04R2410/05H04R2410/07
Inventor TISCH, ERICHROSENBAUM, JOYCEHANSSON, MAGNUSCOONS, EVAN L.WROBLEWSKI, ALEXANDER
Owner GOPRO
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